<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Document</title>
    <style>
      /* 元素选择器，通过标签名来确定样式的作用元素 */
      input {
        width: 60px;
        height: 40px;
        background-color: aqua;
        color: bisque;
        font-size: 20px;
        font-family: "隶书";
        border: 2px solid red;
        border-radius: 5px;
      }
    </style>
  </head>
  <body>
    <input type = "button" value="按钮1" />
    <input type = "button" value="按钮2" />
    <input type = "button" value="按钮3" />
    <input type = "button" value="按钮4" />
  </body>
</html>
